Finding the Fourth Proportional to 977,201.70, 1,465,729.65 and 408,435.90
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Solution
The fourth proportional to 977,201.70, 1,465,729.65 and 408,435.90 is: 612,623.38
Step by Step Solution
- Step 1: Write the proportion equation
977,201.70 : 1,465,729.65 = 408,435.90 : x - Step 2: Convert to fraction form
977,201.70/1,465,729.65 = 408,435.90/x - Step 3: Cross multiply
977,201.70x = 1,465,729.65 × 408,435.90 - Step 4: Simplify right side
977,201.70x = 598,656,608,754.44 - Step 5: Solve for x
x = 598,656,608,754.44/977,201.70 - Step 6: Final answer
x = 612,623.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.